libstdc++
std::allocator< _Tp > Class Template Reference

#include <allocator.h>

Inherits __allocator_base< _Tp >.

Public Types

typedef const _Tp * const_pointer
 
typedef const _Tp & const_reference
 
typedef ptrdiff_t difference_type
 
using is_always_equal = true_type
 
typedef _Tp * pointer
 
using propagate_on_container_move_assignment = true_type
 
typedef _Tp & reference
 
typedef size_t size_type
 
typedef _Tp value_type
 

Public Member Functions

constexpr allocator (const allocator &__a) noexcept
 
template<typename _Tp1 >
constexpr allocator (const allocator< _Tp1 > &) noexcept
 
allocatoroperator= (const allocator &)=default
 

Friends

constexpr bool operator!= (const allocator &, const allocator &) noexcept
 
constexpr bool operator== (const allocator &, const allocator &) noexcept
 

Detailed Description

template<typename _Tp>
class std::allocator< _Tp >

The standard allocator, as per C++03 [20.4.1].

See https://gcc.gnu.org/onlinedocs/libstdc++/manual/memory.html#std.util.memory.allocator for further details.

Template Parameters
_TpType of allocated object.

Definition at line 124 of file allocator.h.

Member Typedef Documentation

◆ const_pointer

template<typename _Tp >
typedef const _Tp* std::allocator< _Tp >::const_pointer

Definition at line 134 of file allocator.h.

◆ const_reference

template<typename _Tp >
typedef const _Tp& std::allocator< _Tp >::const_reference

Definition at line 136 of file allocator.h.

◆ difference_type

template<typename _Tp >
typedef ptrdiff_t std::allocator< _Tp >::difference_type

Definition at line 129 of file allocator.h.

◆ is_always_equal

template<typename _Tp >
using std::allocator< _Tp >::is_always_equal = true_type

Definition at line 148 of file allocator.h.

◆ pointer

template<typename _Tp >
typedef _Tp* std::allocator< _Tp >::pointer

Definition at line 133 of file allocator.h.

◆ propagate_on_container_move_assignment

template<typename _Tp >
using std::allocator< _Tp >::propagate_on_container_move_assignment = true_type

Definition at line 146 of file allocator.h.

◆ reference

template<typename _Tp >
typedef _Tp& std::allocator< _Tp >::reference

Definition at line 135 of file allocator.h.

◆ size_type

template<typename _Tp >
typedef size_t std::allocator< _Tp >::size_type

Definition at line 128 of file allocator.h.

◆ value_type

template<typename _Tp >
typedef _Tp std::allocator< _Tp >::value_type

Definition at line 127 of file allocator.h.

Constructor & Destructor Documentation

◆ allocator() [1/3]

template<typename _Tp >
constexpr std::allocator< _Tp >::allocator ( )
inlineconstexprnoexcept

Definition at line 156 of file allocator.h.

◆ allocator() [2/3]

template<typename _Tp >
constexpr std::allocator< _Tp >::allocator ( const allocator< _Tp > &  __a)
inlineconstexprnoexcept

Definition at line 159 of file allocator.h.

◆ allocator() [3/3]

template<typename _Tp >
template<typename _Tp1 >
constexpr std::allocator< _Tp >::allocator ( const allocator< _Tp1 > &  )
inlineconstexprnoexcept

Definition at line 169 of file allocator.h.

◆ ~allocator()

template<typename _Tp >
std::allocator< _Tp >::~allocator ( )
inlinenoexcept

Definition at line 174 of file allocator.h.

Friends And Related Function Documentation

◆ operator!=

template<typename _Tp >
constexpr bool operator!= ( const allocator< _Tp > &  ,
const allocator< _Tp > &   
)
friend

Definition at line 209 of file allocator.h.

◆ operator==

template<typename _Tp >
constexpr bool operator== ( const allocator< _Tp > &  ,
const allocator< _Tp > &   
)
friend

Definition at line 204 of file allocator.h.


The documentation for this class was generated from the following file: